Abstract
This talk summarizes a recent lattice investigation of the chiral phase transition in non-compact QED with light dynamical Kogut-Susskind fermions done in collaboration with M. Göckeler, R. Horsley, E. Laermann, P. Rakow, R. Sommer and U.-J. Wiese. The phase transition is found to be of second order, so that we can take the continuum limit. Near the critical point the theory is shown to be well described by a Gaussian model of non-interacting scalar and pseudoscalar fields.
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